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|Through the combined efforts of the C. S. Bureau of Mines, the coal industry, and Burrell Construction and Supply Company, New Kensington, PA, a steel fiber reinforced concrete crib block to improve coal mine safety in the area of roof control has been developed and is currently in use commercially. The development objective was to improve health and safety conditions with a stiffer, stronger, nonflammable roof support at a competitive cost. During the time this method of roof control has been in use in the mining industry, it has proven to be both functionally and economically effective.|
Additional chapters/articles from the SME-ICGCM book Proceedings Second Conference On Ground Control In Mining
|A New Approach To The Design Of Multi-Entry Developments For||Manifestation Of Mine Pressure And Its Relations To Overlyin||Geotechnical Investigation For A Single Entry Design For Lon||Roof Falls And Caving In Longwall Mining Operations||Support Resistance And Roof Behaviour Of A Longwall Face Wit||State Of The Art Testing Of Powered Roof Supports||Some Structural Aspects Of Designing The Shield Supports||Design Considerations For Angle Bolters||Machine Design Parameters For High Seam Truss Bolting Applic||Design Trade-Off For Angle Roof Drilling||Hydraulic Tensioning Of A Birmingham Roof Truss||Current Trends In Roof Truss Hardware||The Search For A Method To Provide Warning Of Coal And Gas O||Methods Used To Monitor Roof Geology And Entry Supports||A Method For Estimating Western Coal Strengths From Point Lo||Coping With High Lateral Stresses In An Underground Illinois||Alternatives For Controlling Cutter Roof In Coal Mines||Remote Sensing Techniques In Mine Planning - Applications An||The Use Of A Graphic Mini-Computer System As A Rock Mechanic||Greater Safety With Increased Productivity Coal Mining Opera||Critical Roof Span Approach To Selection Of Proper Coal Mine||Roof Bolt Bond Tester; A Device For Nondestructive Testing O||Remote Control Roof Bolting||Development Cooperation Between Operator And Manufacturer -||Research, Development, And Use Of Steel-Fiber-Reinforced Con||TV Borehole Inspection And Vacuum Testing Of Roof Strata||Use Of Automated Resistivity System To Locate Potential Subs||Control Of Mine Subsidence Utilizing Coal Ash As A Backfill||Surface Flooding-Considerations For Mining Facilities Site S||The Formation And Effects Of Transient Abutment Stress Durin||Some Technical Considerations When Mining Under Bodies Of Wa|